19542204

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:891

約数の個数: 72

約数和(自身を含む): 54840240

約数和(自身を除く): 35298036

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 61, 66, 99, 122, 132, 183, 198, 244, 366, 396, 549, 671, 732, 809, 1098, 1342, 1618, 2013, 2196, 2427, 2684, 3236, 4026, 4854, 6039, 7281, 8052, 8899, 9708, 12078, 14562, 17798, 24156, 26697, 29124, 35596, 49349, 53394, 80091, 98698, 106788, 148047, 160182, 197396, 296094, 320364, 444141, 542839, 592188, 888282, 1085678, 1628517, 1776564, 2171356, 3257034, 4885551, 6514068, 9771102, 19542204]

約数ペア:

[(1, 19542204), (2, 9771102), (3, 6514068), (4, 4885551), (6, 3257034), (9, 2171356), (11, 1776564), (12, 1628517), (18, 1085678), (22, 888282), (33, 592188), (36, 542839), (44, 444141), (61, 320364), (66, 296094), (99, 197396), (122, 160182), (132, 148047), (183, 106788), (198, 98698), (244, 80091), (366, 53394), (396, 49349), (549, 35596), (671, 29124), (732, 26697), (809, 24156), (1098, 17798), (1342, 14562), (1618, 12078), (2013, 9708), (2196, 8899), (2427, 8052), (2684, 7281), (3236, 6039), (4026, 4854)]